diff --git a/functional/ram-mount-parts/jelly-max-xgrip-arm-adapter.scad b/functional/ram-mount-parts/jelly-max-xgrip-arm-adapter.scad
new file mode 100644
index 0000000..7b5a7b4
--- /dev/null
+++ b/functional/ram-mount-parts/jelly-max-xgrip-arm-adapter.scad
@@ -0,0 +1,18 @@
+module arm() {
+  cube([30, 5.25, 1.5]);
+  cube([1.5, 5.25, 27.5]);
+}
+
+module adapter() {
+  difference() {
+    union() {
+      cube([27, 9.25, 5.5]);
+      cube([5.5, 9.25, 33]);
+      translate([0, 0, 24.8]) cube([12, 9.25, 4]);
+    }
+    translate([2, 2, 2]) scale([1, 2, 1]) arm();
+  }
+}
+
+rotate([90, 0, 0]) adapter();
+translate([0, 2, 0]) mirror([0, 1, 0]) rotate([90, 0, 0]) adapter();